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4152 Weber (1985 JF)
Classification: Main-belt Asteroid          SPK-ID: 2004152
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08741561199975827 3.8028e-08  
a 3.177694691200546 1.8286e-08 au
q 2.899914565020867 1.1899e-07 au
i 17.56564186225072 4.0738e-06 deg
node 201.2473072145358 1.2847e-05 deg
peri 336.5480455442539 2.542e-05 deg
M 140.5204914126439 2.2015e-05 deg
tp 2458392.886000393124
(2018-Oct-01.38600039)
0.00012616 TDB
period 2069.029484139099
5.66
1.7859e-05
4.89e-08
d
yr
n .17399462055022 1.5018e-09 deg/d
Q 3.455474817380225 1.9884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2215  
   data-arc span      16145 days (44.20 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:00:24  

Additional Information
 Earth MOID = 1.90787 au 
 Jupiter MOID = 1.52814 au 
 T_jup = 3.122 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.13   n/a E2021B10  
diameter diameter 19.604 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4152 Weber (1985 JF)          Discovered 1985-May-15 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 JF = 1976 UO10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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